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Finding the Fourth Proportional to 320,989.80, 481,483.56 and 96,349.26

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Solution

The fourth proportional to 320,989.80, 481,483.56 and 96,349.26 is: 144,523.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,989.80 : 481,483.56 = 96,349.26 : x
  2. Step 2: Convert to fraction form
    320,989.80/481,483.56 = 96,349.26/x
  3. Step 3: Cross multiply
    320,989.80x = 481,483.56 × 96,349.26
  4. Step 4: Simplify right side
    320,989.80x = 46,390,584,708.17
  5. Step 5: Solve for x
    x = 46,390,584,708.17/320,989.80
  6. Step 6: Final answer
    x = 144,523.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.